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  • Today

    Sep 5

    Sunshine, warmer and humid 30°Lo 21°
  • Sun

    Sep 6

    Mostly sunny, warm and humid 30°Lo 20°
    more
  • Mon

    Sep 7

    Mostly sunny, warm and humid 30°Lo 20°
    more
  • Tue

    Sep 8

    An afternoon thunderstorm 30°Lo 20°
    more
  • Wed

    Sep 9

    A shower and t-storm around 26°Lo 14°
    more
< Previous 8 hours Next 8 hours >
  Sat
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Clear
Temp (°C) 29° 30° 29° 28° 27° 25° 24° 23°
RealFeel® 34° 33° 31° 30° 28° 26° 25° 25°
Humidity 64% 59% 62% 64% 71% 77% 85% 88%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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Snow
 
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0%
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (km/h) 9 ENE 11 E 9 E 9 ESE 9 SE 7 SE 7 SSE 7 S
UV Index 4 3 2 1 0 0 0 0
Cloud Cover 20% 21% 22% 23% 22% 20% 15% 9%
Dew Point 21° 21° 21° 21° 21° 21° 21° 21°
Middle Grid line 35 C Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 30° 23° N/A 30°
Low 21° 13° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 13:00 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:33 PM with 1:01 of moolight, then sets at 2:35 PM

St. Catharines Weather Report

Ignacio May Unleash Stormy Conditions in Alaska, British Columbia

September 5, 2015; 8:25 AM ET

Steering winds could take Ignacio, currently a post-tropical cyclone, into the southeastern arm of Alaska or British Columbia during the middle days of next week. more >